Australia’s team doctor Peter Brukner has called on the International Cricket Council to take a “very serious” look at introducing concussion substitutes for Test cricket after the withdrawal of opener Matt Renshaw from the current third Test.

Renshaw will play no further part in the game after being diagnosed with concussion on Friday morning AUSTRALIA TIME). The youngster was hit on the helmet while fielding at short leg on Thursday and left the field complaining of a headache.

He had tests overnight, which he passed, but Brukner said he was “foggy” and still suffering from dizziness.

Renshaw is the first Australian player withdrawn from a Test match with concussion since Cricket Australia introduced stringent measures last summer.

Brukner, an advocate for improved protocols around concussion, believes Renshaw’s episode will provide more impetus for change in cricket.

The ICC rejected CA’s push for concussion subs to be introduced into the Sheffield Shield so any move to bring new rules at Test level will be difficult.

Brukner stressed this had not happened in the Renshaw case but a concussion sub would lessen the chance of it happening at all.

Renshaw remained at the team hotel on Friday in a darkened room.

“On Friday morning he was still symptomatic and so we have taken the decision to withdraw him from the match.”